dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position

dry mouth

ear congestion

fainting

fever

headache

increase in heart rate

loss of voice

lower back or side pain

nerve pain

painful blisters on the trunk of the body

painful or difficult urination

pale skin

pinpoint red spots on the skin

rapid breathing

runny nose

sneezing

sore throat

stuffy nose

sunken eyes

sweating

swollen glands

thirst

tightness in the chest

troubled breathing with exertion

ulcers, sores, or white spots in the mouth

unsteadiness or awkwardness

unusual bleeding or bruising

unusual tiredness or weakness

weakness in the arms, hands, legs, or feet

wrinkled skin

Less common

Decreased urine output

dilated neck veins

general feeling of discomfort or illness

increased sensitivity to pain

increased sensitivity to touch

irregular breathing

irregular heartbeat

swelling of the face, fingers, feet, or lower legs

thickening of bronchial secretions

tingling in the hands and feet

troubled breathing

unsteadiness or awkwardness

weight gain

Incidence not known

Abdominal or stomach pain and tenderness

agitation

back pain

blistering, peeling, or loosening of the skin

bloating

bruising

change in consciousness

coma

coughing or vomiting blood

dark urine

deafness

deep or fast breathing with dizziness, numbness to feet, hands, and around the mouth

diarrhea

drowsiness

fast heartbeat

general tiredness and weakness

hallucinations

irritability

itching

light-colored stools

loss of consciousness

pains in the stomach, side, or abdomen, possibly radiating to the back

persistent bleeding or oozing from puncture sites, mouth, or nose

pounding, slow heartbeat

rectal bleeding

red skin lesions, often with a purple center

red, irritated eyes

restlessness

seeing, hearing, or feeling things that are not there

seizures

shaking

stiff neck

trouble sleeping

upper right abdominal or stomach pain

yellow eyes or skin

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Acid or sour stomach

belching

bone pain

difficulty having a bowel movement

difficulty with moving

feeling unusually cold or shivering

general feeling of discomfort or illness

heartburn

indigestion

loss of appetite

loss of taste

mental depression

muscle cramps

muscle pain or stiffness

nausea

pain in the joints

pain in the limb

rash

stomach discomfort or upset, or pain

swelling

swollen joints

vomiting

weight loss

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.